Solve the problem.A tower is supported by a guy wire 
long. If the wire makes an angle of 
with respect to the ground and the distance from the point where the wire is attached to the ground and the tower is 
how tall is the tower? Round your answer to the nearest tenth.
A. 472.7 ft
B. 543.6 ft
C. 715.3 ft
D. 663.0 ft
Answer: A
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?
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Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x4 + 29x2 + 100
A. f(x) = (x + i)(x - i)(x + 10i)(x - 10i) B. f(x) = (x + 2 + 5i)2(x + 2 - 5i)2 C. f(x) = (x + 2i)2(x + 5i)2 D. f(x) = (x + 2i)(x - 2i)(x + 5i)(x - 5i)
Solve.A plane flying with a tailwind flew at a speed of 400 mph, relative to the ground. When flying against the tailwind, it flew at a speed of 340 mph. Express these relationships as equations. Let x be the speed of the plane and let y be the speed of the wind.
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